Spawn location for the wave spawn system. Sync this to a threshold module. Make sure to set the area large enough to allow units to actually spawn.
Attributes:
Can spawn infantry = Whether or not infantry should be able to spawn here
Can spawn land vehicles = Whether or not land vehicles should be able to spawn here
Can spawn air = Whether or not air vehicles should be able to spawn here
Can spawn boat = Whether or not boats should be able to spawn here